xfstt, a TrueType font server for the X window system was found to
contain two classes of vulnerabilities:
- - CAN-2003-0581: a remote attacker could send requests crafted to
trigger any of several buffer overruns, causing a denial of service or
possibly executing arbitrary code on the server with the privileges
of the "nobody" user.
- - CAN-2003-0625: certain invalid data sent during the connection
handshake could allow a remote attacker to read certain regions of
memory belonging to the xfstt process. This information could be
used for fingerprinting, or to aid in exploitation of a different
For the current stable distribution (woody) these problems have been
fixed in version 1.2.1-3.